summaryrefslogtreecommitdiff
path: root/drivers/net/e1000/e1000_osdep.h
blob: 9790db974dc1dcc3ff8f3dfc953727d07c8e14a2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
/*******************************************************************************

  
  Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
  
  This program is free software; you can redistribute it and/or modify it 
  under the terms of the GNU General Public License as published by the Free 
  Software Foundation; either version 2 of the License, or (at your option) 
  any later version.
  
  This program is distributed in the hope that it will be useful, but WITHOUT 
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 
  more details.
  
  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc., 59 
  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  
  The full GNU General Public License is included in this distribution in the
  file called LICENSE.
  
  Contact Information:
  Linux NICS <linux.nics@intel.com>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

*******************************************************************************/


/* glue for the OS independent part of e1000
 * includes register access macros
 */

#ifndef _E1000_OSDEP_H_
#define _E1000_OSDEP_H_

#include <linux/types.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <asm/io.h>
#include <linux/interrupt.h>
#include <linux/sched.h>

#ifndef msec_delay
#define msec_delay(x)	do { if(in_interrupt()) { \
				/* Don't mdelay in interrupt context! */ \
	                	BUG(); \
			} else { \
				msleep(x); \
			} } while (0)

/* Some workarounds require millisecond delays and are run during interrupt
 * context.  Most notably, when establishing link, the phy may need tweaking
 * but cannot process phy register reads/writes faster than millisecond
 * intervals...and we establish link due to a "link status change" interrupt.
 */
#define msec_delay_irq(x) mdelay(x)
#endif

#define PCI_COMMAND_REGISTER   PCI_COMMAND
#define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_INVALIDATE

typedef enum {
#undef FALSE
    FALSE = 0,
#undef TRUE
    TRUE = 1
} boolean_t;

#define MSGOUT(S, A, B)	printk(KERN_DEBUG S "\n", A, B)

#ifdef DBG
#define DEBUGOUT(S)		printk(KERN_DEBUG S "\n")
#define DEBUGOUT1(S, A...)	printk(KERN_DEBUG S "\n", A)
#else
#define DEBUGOUT(S)
#define DEBUGOUT1(S, A...)
#endif

#define DEBUGFUNC(F) DEBUGOUT(F)
#define DEBUGOUT2 DEBUGOUT1
#define DEBUGOUT3 DEBUGOUT2
#define DEBUGOUT7 DEBUGOUT3


#define E1000_WRITE_REG(a, reg, value) ( \
    writel((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg))))

#define E1000_READ_REG(a, reg) ( \
    readl((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg)))

#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) ( \
    writel((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 2))))

#define E1000_READ_REG_ARRAY(a, reg, offset) ( \
    readl((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 2)))

#define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY

#define E1000_WRITE_REG_ARRAY_WORD(a, reg, offset, value) ( \
    writew((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 1))))

#define E1000_READ_REG_ARRAY_WORD(a, reg, offset) ( \
    readw((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        ((offset) << 1)))

#define E1000_WRITE_REG_ARRAY_BYTE(a, reg, offset, value) ( \
    writeb((value), ((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        (offset))))

#define E1000_READ_REG_ARRAY_BYTE(a, reg, offset) ( \
    readb((a)->hw_addr + \
        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
        (offset)))

#define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, STATUS)

#endif /* _E1000_OSDEP_H_ */